Cisco WS-C3560V2-24TS-E Command Reference - Page 638
max-age, show spanning-tree vlan, interface configuration
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spanning-tree vlan Chapter 2 Catalyst 3560 Switch Cisco IOS Commands This example shows how to set spanning-tree max-age to 30 seconds for VLAN 20: Switch(config)# spanning-tree vlan 20 max-age 30 This example shows how to reset the max-age parameter to the default value for spanning-tree instance 100 and 105 to 108: Switch(config)# no spanning-tree vlan 100, 105-108 max-age This example shows how to set the spanning-tree priority to 8192 for VLAN 20: Switch(config)# spanning-tree vlan 20 priority 8192 This example shows how to configure the switch as the root switch for VLAN 10 with a network diameter of 4: Switch(config)# spanning-tree vlan 10 root primary diameter 4 This example shows how to configure the switch as the secondary root switch for VLAN 10 with a network diameter of 4: Switch(config)# spanning-tree vlan 10 root secondary diameter 4 You can verify your settings by entering the show spanning-tree vlan vlan-id privileged EXEC command. Related Commands Command Description show spanning-tree vlan Displays spanning-tree information. spanning-tree cost Sets the path cost for spanning-tree calculations. spanning-tree guard Enables the root guard or the loop guard feature for all the VLANs associated with the selected interface. spanning-tree port-priority Sets an interface priority. spanning-tree portfast (global Globally enables the BPDU filtering or the BPDU guard feature on configuration) Port Fast-enabled interfaces or enables the Port Fast feature on all nontrunking interfaces. spanning-tree portfast (interface configuration) Enables the Port Fast feature on an interface in all its associated VLANs. spanning-tree uplinkfast Enables the UplinkFast feature, which accelerates the choice of a new root port. 2-606 Catalyst 3560 Switch Command Reference 78-16405-05